On Tue, Jul 27, 2010 at 8:15 PM, Dmitry Eremin-Solenikov
<[email protected]> wrote:
> Hello,
>
> On Wed, Jul 28, 2010 at 4:13 AM, Jon Smirl <[email protected]> wrote:
>> On Tue, Jul 27, 2010 at 6:09 PM, Dmitry Eremin-Solenikov
>> <[email protected]> wrote:
>>> Hello,
>>>
>>> On Tue, Jul 27, 2010 at 8:14 PM, Jon Smirl <[email protected]> wrote:
>>>> I was trying to restart everything without rebooting.....
>>>> I haven't looked at what caused the fault.
>>>>
>>>> jonsm...@terra:/home/apps/linux802154-serialdev$ sudo iz del wpan-phy0
>>>
>>> This is strange command line. You should use e.g. 'iz del wpan0' or
>>> 'iz del wpan-phy0 wpan0'.
>>
>> I was only using a monitor device.
>>
>> izattach /dev/ttyUSB0
>> iz add wpan-phy0
>> iz monitor wpan-phy0
>> ifconfig wpanmon0 up
>>
>> then I think I did...
>> ifconfig wpanmon0 down
>> iz del wpanmon0
>> i tried to rmmod 'serial' here, but it was still in use
>> iz del wpan-phy0
>> this faulted.
>
> Could you please anyway trace this fault?
Here is more log...
I will see if I can reproduce.
Jul 27 11:42:42 terra kernel: [12801.551383] usb 2-3.4: new full speed
USB device using ehci_hcd and address 9
Jul 27 11:42:42 terra kernel: [12801.670416] ftdi_sio 2-3.4:1.0: FTDI
USB Serial Device converter detected
Jul 27 11:42:42 terra kernel: [12801.670454] usb 2-3.4: Detected FT232RL
Jul 27 11:42:42 terra kernel: [12801.670457] usb 2-3.4: Number of endpoints 2
Jul 27 11:42:42 terra kernel: [12801.670460] usb 2-3.4: Endpoint 1
MaxPacketSize 64
Jul 27 11:42:42 terra kernel: [12801.670463] usb 2-3.4: Endpoint 2
MaxPacketSize 64
Jul 27 11:42:42 terra kernel: [12801.670466] usb 2-3.4: Setting MaxPacketSize 64
Jul 27 11:42:42 terra kernel: [12801.670656] usb 2-3.4: FTDI USB
Serial Device converter now attached to ttyUSB4
Jul 27 11:42:56 terra kernel: [12815.649359] usb 2-3.4: USB
disconnect, address 9
Jul 27 11:42:56 terra kernel: [12815.649498] ftdi_sio ttyUSB4: FTDI
USB Serial Device converter now disconnected from ttyUSB4
Jul 27 11:42:56 terra kernel: [12815.649514] ftdi_sio 2-3.4:1.0:
device disconnected
Jul 27 11:43:14 terra kernel: [12833.550186] usb 2-3.4: new full speed
USB device using ehci_hcd and address 10
Jul 27 11:43:14 terra kernel: [12833.669349] ftdi_sio 2-3.4:1.0: FTDI
USB Serial Device converter detected
Jul 27 11:43:14 terra kernel: [12833.669381] usb 2-3.4: Detected FT232RL
Jul 27 11:43:14 terra kernel: [12833.669384] usb 2-3.4: Number of endpoints 2
Jul 27 11:43:14 terra kernel: [12833.669387] usb 2-3.4: Endpoint 1
MaxPacketSize 64
Jul 27 11:43:14 terra kernel: [12833.669389] usb 2-3.4: Endpoint 2
MaxPacketSize 64
Jul 27 11:43:14 terra kernel: [12833.669392] usb 2-3.4: Setting MaxPacketSize 64
Jul 27 11:43:14 terra kernel: [12833.669589] usb 2-3.4: FTDI USB
Serial Device converter now attached to ttyUSB4
Jul 27 11:47:23 terra kernel: [13082.197515] Initializing ZigBee TTY interface
Jul 27 11:48:26 terra kernel: [13144.769941] Openning ldisc
Jul 27 11:48:26 terra kernel: [13144.773733] NET: Registered protocol family 36
Jul 27 11:48:31 terra kernel: [13149.829659] ieee802154_add_iface
Jul 27 11:48:44 terra kernel: [13162.699158] ieee802154_add_iface
Jul 27 11:48:52 terra kernel: [13171.248711] ieee802154_serial_start
Jul 27 11:48:52 terra kernel: [13171.248714] _open_dev()
Jul 27 11:48:52 terra kernel: [13171.248716] _send_pending_data, 3 bytes
Jul 27 11:48:52 terra kernel: [13171.248719] send_pending_data 7a 62
01 zb.
Jul 27 11:48:52 terra kernel: [13171.490546] ieee802154_tty_receive,
received 4 bytes
Jul 27 11:48:52 terra kernel: [13171.490551] ieee802154_tty_receive 7a
62 81 00 zb..
Jul 27 11:48:52 terra kernel: [13171.490554] Opened device
Jul 27 11:48:52 terra kernel: [13171.490563] Opened connection to device
Jul 27 11:48:52 terra kernel: [13171.490567] send_cmd2(): id = 7
Jul 27 11:48:52 terra kernel: [13171.490570] _send_pending_data, 4 bytes
Jul 27 11:48:52 terra kernel: [13171.490573] send_pending_data 7a 62
07 02 zb..
Jul 27 11:48:52 terra kernel: [13171.500164] ieee802154_tty_receive,
received 4 bytes
Jul 27 11:48:52 terra kernel: [13171.500166] ieee802154_tty_receive 7a
62 87 00 zb..
Jul 27 11:48:52 terra kernel: [13171.500218] ieee802154_serial_start end
Jul 27 12:02:39 terra kernel: [13998.301374] device wpanmon0 entered
promiscuous mode
Jul 27 12:07:55 terra kernel: [14314.292109] ieee802154_serial_stop
Jul 27 12:07:55 terra kernel: [14314.292114] send_cmd2(): id = 7
Jul 27 12:07:55 terra kernel: [14314.292117] _send_pending_data, 4 bytes
Jul 27 12:07:55 terra kernel: [14314.292121] send_pending_data 7a 62
07 f0 zb..
Jul 27 12:07:55 terra kernel: [14314.300986] ieee802154_tty_receive,
received 4 bytes
Jul 27 12:07:55 terra kernel: [14314.300990] ieee802154_tty_receive 7a
62 87 00 zb..
Jul 27 12:07:55 terra kernel: [14314.301020] ieee802154_serial_stop end
Jul 27 12:07:55 terra kernel: [14314.302172] device wpanmon0 left
promiscuous mode
Jul 27 12:08:16 terra kernel: [14335.398305] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.398322] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.398413] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.398415] cmd = 0x5402
Jul 27 12:08:16 terra kernel: [14335.401242] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.401418] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.401422] cmd = 0x5402
Jul 27 12:08:16 terra kernel: [14335.404236] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.404303] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.404306] cmd = 0x5402
Jul 27 12:08:16 terra kernel: [14335.407233] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.407275] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.407278] cmd = 0x5402
Jul 27 12:08:16 terra kernel: [14335.410234] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.410287] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.410289] cmd = 0x5402
Jul 27 12:08:16 terra kernel: [14335.413234] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.413284] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.413287] cmd = 0x5402
Jul 27 12:08:16 terra kernel: [14335.416234] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.416288] cmd = 0x5401
Jul 27 12:08:16 terra kernel: [14335.416291] cmd = 0x5402
Jul 27 12:08:16 terra kernel: [14335.419233] cmd = 0x5401
Jul 27 12:08:20 terra kernel: [14339.545495] ieee802154_tty_receive,
received 1 bytes
Jul 27 12:08:20 terra kernel: [14339.545500] ieee802154_tty_receive 00
.
Jul 27 12:09:32 terra kernel: [14410.697427] ieee802154_del_iface
Jul 27 12:09:47 terra kernel: [14426.029173] ieee802154_del_iface
Jul 27 12:09:47 terra kernel: [14426.029200] BUG: unable to handle
kernel NULL pointer dereference at 0000000000000028
Jul 27 12:09:47 terra kernel: [14426.029204] IP: [<ffffffffa0d319a7>]
ieee802154_del_iface+0x97/0x210 [ieee802154]
Jul 27 12:09:47 terra kernel: [14426.029213] PGD 37915067 PUD 4808a067 PMD 0
Jul 27 12:09:47 terra kernel: [14426.029217] Oops: 0000 [#1] SMP
>
>>
>> What I should have done was 'killall izattach'
>
> Yes, this should work.
>
>>
>>
>>>
>>> I'll have to check why it fails for non-existing devices. If you can help
>>> with tracing that, it will be good.
>>>
>>>
>>> --
>>> With best wishes
>>> Dmitry
>>>
>>
>>
>>
>> --
>> Jon Smirl
>> [email protected]
>>
>
>
>
> --
> With best wishes
> Dmitry
>
--
Jon Smirl
[email protected]
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